RU2006115818A - METHOD FOR PRODUCING 2,3-DIALKYL-5-ALKYLIDENE MAGNESECYCLOPENT-2-ENOV - Google Patents

METHOD FOR PRODUCING 2,3-DIALKYL-5-ALKYLIDENE MAGNESECYCLOPENT-2-ENOV Download PDF

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RU2006115818A
RU2006115818A RU2006115818/04A RU2006115818A RU2006115818A RU 2006115818 A RU2006115818 A RU 2006115818A RU 2006115818/04 A RU2006115818/04 A RU 2006115818/04A RU 2006115818 A RU2006115818 A RU 2006115818A RU 2006115818 A RU2006115818 A RU 2006115818A
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alkylidene
dialkyl
magnesecyclopent
enov
producing
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RU2006115818/04A
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RU2374255C2 (en
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Усеин Меметович Джемилев (RU)
Усеин Меметович Джемилев
Асхат Габдрахманович Ибрагимов (RU)
Асхат Габдрахманович Ибрагимов
конов Владимир Анатольевич Дь (RU)
Владимир Анатольевич Дьяконов
Регина Адиковна Зиннурова (RU)
Регина Адиковна Зиннурова
Альфи Зуфаровна Шарипова (RU)
Альфия Зуфаровна Шарипова
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Институт нефтехимии и катализа РАН (RU)
Институт нефтехимии и катализа РАН
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Claims (1)

Способ получения 2,3-диалкил-5-алкилиденмагнезациклопент-2-енов общей формулы (1)The method of obtaining 2,3-dialkyl-5-alkylidene magnesacyclopent-2-enes of the General formula (1)
Figure 00000001
Figure 00000001
 где R=C2H5, н=С3Н7, н-С4Н9;where R = C 2 H 5 , n = C 3 H 7 , n-C 4 H 9 ; R′=н-С5Н11, н-С7Н15,R ′ = nC 5 H 11 , nC 7 H 15 , характеризующийся тем, что дизамещенный ацетилен общей формулы R-≡-R, где R такое же, как определено выше, подвергают взаимодействию с 1,2-алкадиеном общей формулы R′-=·=, где R′ такое же, как определено выше, этилмагнийбромидом (EtMgBr) и металлическим магнием (Mg) в присутствии катализатора титанацендихлорида (Ср2TiCl2) при соотношении R-≡-R:R′-=·=:EtMgBr:Mg:Cp2TiCl2, равном 10:(10-14):(22-26):10:(1,0-1,4) в атмосфере аргона при нормальном давлении в тетрагидрофуране в качестве растворителя в течение 10-14 ч.characterized in that the disubstituted acetylene of the general formula R-≡-R, where R is the same as defined above, is reacted with the 1,2-alkadiene of the general formula R ′ - = · =, where R ′ is the same as defined above, ethylmagnesium bromide (EtMgBr) and metallic magnesium (Mg) in the presence of a titanocene dichloride catalyst (Cp 2 TiCl 2 ) with the ratio R-≡-R: R ′ = = =: EtMgBr: Mg: Cp 2 TiCl 2 equal to 10: (10- 14) :( 22-26): 10: (1.0-1.4) in an argon atmosphere at normal pressure in tetrahydrofuran as a solvent for 10-14 hours
RU2006115818/04A 2006-05-06 2006-05-06 Method of producing 2,3-dialkyl-5-alkylidenemagnesa-cyclopent-2-enes RU2374255C2 (en)

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RU2547265C2 (en) * 2010-07-20 2015-04-10 Учреждение Российской Академии Наук Институт Нефтехимии И Катализа Ран Method for combined production of 2,3-dialkylmagnesacyclohept-2-enes and 4,5-dialkylmagnesacyclohept-4-enes

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